Since you are the one that isn't getting the hint:

[The cadence of his voice shifts from mocking to a more light-hearted, goofier one — an obvious failed impersonation of Date: speaking the same words he said with a straight face when she first asked him to remove the (supposed) mask.]

Don't wanna.

[And then back to the snide, one-sided conversational tone.]

Don't you care about what can happen to those two anymore? After killing their parents caused you that much suffering and guilt?